The
theoretically possible operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. for the individual series
is shown in the following tables and Figure 1.

Table 2Operating clearance for KH, KN-B, KNO-B

Mounting tolerance

Operating clearanceAll sizes

Shaft

Bore

h6

H7, K7

Normal operating clearance

Steel/aluminium

j5

H6, K6

Operating clearance smaller than normal

Steel/aluminium

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Mounting tolerance

Operating clearanceAll sizes

Shaft

Bore

h6

H7, K7

Normal operating clearance

Steel/aluminium

j5

H6, K6

Operating clearance smaller than normal

Steel/aluminium

Table 3Operating clearance for KS, KSO

Mounting tolerance

Size and operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. (clearance in μm)

Shaft

Bore

12

16

20

25

30

40

50

h6

H6

+36–8

+34–10

+37–12

+34–15

+29–20

+33–22

+30–25

h6

H7

+44–8

+32–10

+46–12

+43–15

+38–20

+44–22

+41–25

h6

JS6

+29–14,5

+27,5–16,5

+29–20

+26–23

+21–28

+23,5–31,5

+20,5–34,5

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Mounting tolerance

Size and operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. (clearance in μm)

Shaft

Bore

12

16

20

25

30

40

50

h6

H6

+36–8

+34–10

+37–12

+34–15

+29–20

+33–22

+30–25

h6

H7

+44–8

+32–10

+46–12

+43–15

+38–20

+44–22

+41–25

h6

JS6

+29–14,5

+27,5–16,5

+29–20

+26–23

+21–28

+23,5–31,5

+20,5–34,5

Table 4Operating clearance for KB

Mounting tolerance

Size and operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. (clearance in μm)

Shaft

Bore

12

16

20

25

30

40

50

h6

H6(H7)

+190

+20–1

+22–1

+24–1

+24–1

+29–2

+29–2

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Mounting tolerance

Size and operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. (clearance in μm)

Shaft

Bore

12

16

20

25

30

40

50

h6

H6(H7)

+190

+20–1

+22–1

+24–1

+24–1

+29–2

+29–2

Table 5Operating clearance for KBS, KBO

Mounting tolerance

Size and operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. (clearance in μm)

Shaft

Bore

12

16

20

25

30

40

50

h6

H6

+500

+51–1

+60–1

+62–1

+62–1

+74–2

+74–2

h6

H7

+580

+59–1

+69–1

+71–1

+71–1

+85–2

+85–2

h6

JS6

+43,5–6,5

+44,5–7,5

+52–9

+54–9

+54–9

+64,5–11,5

+64,5–11,5

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Mounting tolerance

Size and operating clearance╳The amount by which the bearing rings in a fitted bearing can be moved in the radial or axial direction from one extreme position to the other. (clearance in μm)